带有示例的 Scala List mkString() 方法

mkString()方法用于在字符串中显示列表的所有元素。

Method Definition: def mkString: String

Return Type: It returns all the elements of the list in a string.

示例 #1：

// Scala program of mkString()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(2, 3, 5, 7, 8)
          
        // Applying mkString method
        val result = m1.mkString
          
        // Displays output
        println(result)
          
    }
}

输出：

示例 #2：

// Scala program of mkString()
// method
  
// Creating object
object GfG
{ 
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(2, 3, 5, 7, 5)
          
        // Applying mkString method
        val result = m1.mkString
          
        // Displays output
        println(result)
      
    }
}

输出：